China Telecom and Telecom Innovation Center apply for patents related to log cleanup methods. By filtering and tagging logs, they securely save storage resources.

March 25 news, according to information from the National Intellectual Property Administration, China Telecom Co., Ltd. and the Technology Innovation Center of China Telecom Co., Ltd. have applied for a patent titled “Log Clearing Method and Electronic Device.” The application publication number is CN121722728A, the application number is CN202610216231.9, the application publication date is March 24, 2026, the application date is February 14, 2026, the inventor is Lei Lei, the patent agency is Beijing Lvzhi Intellectual Property Agency Co., Ltd., and the patent agent is Deng Xiao. The classification numbers are G06F16/172, G06F16/17, G06F16/18, and G06N20/00.

The patent abstract shows that this disclosure provides a log clearing method and an electronic device. The log clearing method includes: in response to a log clearing instruction, obtaining stored logs within a preset time period, and forming a user log group for each user based on the stored logs; within the user log group, determining a risk value of the stored logs based on a feature value of preset features of the stored logs, and marking the stored logs whose risk value is higher than a preset threshold as a first target log; obtaining a behavior model of a target user corresponding to the user log group, and identifying, by using the behavior model, a second target log in the user log group that corresponds to the stored logs and anomalous behavior, where the behavior model is trained based on the historical logs of the target user; when the number of both the first target log and the second target log are zero, clearing the stored logs in the user log group. Embodiments of this disclosure can safely save storage resources.

China Telecom was established on September 10, 2002, and was listed on the Shanghai Stock Exchange on August 20, 2021. Its registered address and office address are both in Beijing. It is a leading telecommunications operator in China; its core businesses cover comprehensive information services such as fixed-line and mobile telecommunications. It has wide network coverage and strong service quality.

China Telecom Co., Ltd. is an investment holding company engaged in telecommunications and related businesses, providing comprehensive information services such as fixed-line and mobile telecommunications and internet access. It mainly serves the domestic market. The industry to which it belongs under Shenwan is Communication - Communication Services - Telecom Operators, involving concept segments such as telecommunications operations, low pricing, and quantum communications.

In terms of operating performance for 2025, China Telecom has performed exceptionally well. Operating revenue reached RMB 523.92B, ranking 1/2 in the industry, higher than the second-place China Unicom with RMB 392.22B, and exceeding the industry average and median of RMB 458.07B. Revenue from main business telecommunications services was RMB 523.92B, accounting for 100.00%. Net profit was RMB 33.22B, with the same industry ranking of 1/2, higher than the second-place China Unicom’s RMB 20.79B, and exceeding the industry average and median of RMB 27.01B.

China Telecom Co., Ltd.’s recent patent situation is as follows:

Tianyancha data shows that the Technology Innovation Center of China Telecom Co., Ltd. was established on September 17, 2010. Its legal representative is Zhang Chengliang. Its industry is software and information technology services. Its registered capital and paid-in capital are as follows: the registered address is Room 1118 and Room 1116, 11th Floor, China Telecom Beijing Information Technology Innovation Park, Nanq u, No rth Qiqijia Town, Changping District, Beijing. The Technology Innovation Center of China Telecom Co., Ltd. has invested in 0 enterprises, participated in 89 bidding and tendering projects. In terms of property-related leads, there are 0 trademark information entries, 4,666 patent information entries, and it holds 3 administrative licenses.

China Telecom Co., Ltd.’s Technology Innovation Center’s recent patent situation is as follows:

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